Several Delhi areas slipped into the ‘severe’ pollution zone as smog reduced visibility; airport operations remained normal under precautionary measures. https://english.mathrubhumi.com/news/india/delhi-smog-air-quality-severe-g1hm0228?utm_source=dlvr.it&utm_medium=mastodon #DelhiSmog #AirPollution #AQI #DelhiAirport #PublicHealth